package com.way.gateway.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
import org.springframework.web.util.pattern.PathPatternParser;
@Configuration
public class CorsConfig {

  @Bean
  public CorsWebFilter corsFilter(){
      UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(new PathPatternParser());
      source.registerCorsConfiguration("/**", buildConfig());
      return new CorsWebFilter(source);
  }

  private CorsConfiguration buildConfig(){
      CorsConfiguration corsConfiguration = new CorsConfiguration();
		//在生产环境上最好指定域名，以免产生跨域安全问题
      corsConfiguration.addAllowedOrigin("*");
      corsConfiguration.addAllowedHeader("*");
      corsConfiguration.addAllowedMethod("*");
      return corsConfiguration;
  }
}